android短信管理器SmsManager实例详解

<uses-permission android:name="android.permission.READ_CONTACTS"/> 
<uses-permission android:name="android.permission.SEND_SMS"/> 

package com.android.xiong.groupsend; 
 
import java.util.ArrayList; 
import java.util.List; 
 
import android.app.Activity; 
import android.app.AlertDialog; 
import android.app.PendingIntent; 
import android.content.DialogInterface; 
import android.content.Intent; 
import android.database.Cursor; 
import android.os.Bundle; 
import android.provider.ContactsContract; 
import android.telephony.SmsManager; 
import android.view.Menu; 
import android.view.View; 
import android.view.ViewGroup; 
import android.view.View.OnClickListener; 
import android.widget.BaseAdapter; 
import android.widget.Button; 
import android.widget.CheckBox; 
import android.widget.EditText; 
import android.widget.ListView; 
import android.widget.Toast; 
 
public class MainActivity extends Activity { 
 
  private Button bt1, bt2; 
  private EditText ed1, ed2; 
  private SmsManager sManger; 
  List<String> sendList = new ArrayList<String>(); 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    bt1 = (Button) findViewById(R.id.bt1); 
    bt2 = (Button) findViewById(R.id.bt2); 
    ed1 = (EditText) findViewById(R.id.ed1); 
    ed2 = (EditText) findViewById(R.id.ed2); 
    // 获取SmsManger 
    sManger = SmsManager.getDefault(); 
    bt1.setOnClickListener(new OnClickListener() { 
 
      @Override 
      public void onClick(View v) { 
        for (String send : sendList) { 
          // 创建PendIntent对象 
          PendingIntent ped = PendingIntent.getActivity( 
              MainActivity.this, 0, new Intent(), 0); 
          // 发送信息 
          sManger.sendTextMessage(send, null, ed2.getText() 
              .toString(), ped, null); 
        } 
        // 提示消息发送完毕 
        Toast.makeText(MainActivity.this, "短信群发完", Toast.LENGTH_LONG) 
            .show(); 
      } 
    }); 
    bt2.setOnClickListener(new OnClickListener() { 
 
      @Override 
      public void onClick(View v) { 
        // 查看联系人的电话号码 
        final Cursor cursor = getContentResolver().query( 
            ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
            null, null, null, null); 
        BaseAdapter adapter = new BaseAdapter() { 
 
          @Override 
          public View getView(int position, View convertView, 
              ViewGroup parent) { 
            cursor.moveToPosition(position); 
            CheckBox rb = new CheckBox(MainActivity.this); 
            // 获取联系人的电话号码 并去掉中间的中画、空格 
            String number = cursor 
                .getString( 
                    cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)) 
                .replace("-", ""); 
            rb.setText(number); 
            // 如果该号码已经加入发送人名单，默认勾选该号码 
            if (sendList.contains(number)) { 
              rb.setChecked(true); 
            } 
            return rb; 
          } 
 
          @Override 
          public long getItemId(int position) { 
            // TODO Auto-generated method stub 
            return position; 
          } 
 
          @Override 
          public Object getItem(int position) { 
            // TODO Auto-generated method stub 
            return position; 
          } 
 
          @Override 
          public int getCount() { 
            // TODO Auto-generated method stub 
            return cursor.getCount(); 
          } 
        }; 
        // 加载list.xml布局文件对应的View 
        View selectView = getLayoutInflater().inflate(R.layout.item, 
            null); 
        final ListView listView = (ListView) selectView 
            .findViewById(R.id.list1); 
        listView.setAdapter(adapter); 
        new AlertDialog.Builder(MainActivity.this).setView(selectView).setPositiveButton("确定", new DialogInterface.OnClickListener() { 
           
          @Override 
          public void onClick(DialogInterface dialog, int which) { 
            //清空sendList集合 
            sendList.clear(); 
            //遍历listView组件的每个列表项 
            for(int i=0;i<listView.getCount();i++){ 
              CheckBox checkBox=(CheckBox)listView.getChildAt(i); 
              //如果该列表项被勾选 
              if(checkBox.isChecked()){ 
                //添加到该列表项中 
                sendList.add(checkBox.getText().toString()); 
                ed1.append(checkBox.getText().toString()+","); 
              } 
            } 
             
          } 
        }).show(); 
      } 
    }); 
  } 
 
  @Override 
  public boolean onCreateOptionsMenu(Menu menu) { 
    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.main, menu); 
    return true; 
  } 
 
} 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  xmlns:tools="http://schemas.android.com/tools" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:orientation="vertical" 
  tools:context=".MainActivity" > 
   
  <EditText  
    android:id="@+id/ed1" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content"/> 
  <EditText  
    android:id="@+id/ed2" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    /> 
  <Button  
    android:id="@+id/bt2" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:text="获取联系人"/> 
  <Button  
    android:id="@+id/bt1" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:text="发送信息"/> 
 
</LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:orientation="vertical" > 
 
 
  <ListView 
    android:id="@+id/list1" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" > 
  </ListView> 
 
</LinearLayout>